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What happens if the default gateway is not set on the hosts?
What will happen if the default gateway address is incorrectly configured on a host? The host cannot communicate with hosts in other networks. The host cannot communicate with other hosts in the local network. The switch will not forward packets initiated by the host.
Does a router need a default gateway?
Default Gateway is used when the host doesn’t have any route information for a particular packet. So it will ask the default gateway. Now for a router there will be lot of static routing information, but if the router is not able to find a routing information, it should take the route mentioned in 0.0.
Is broadcast the default gateway?
One is the broadcast address and the other is the default gateway. The broadcast address is the address where al bits of the subnet part are ones. Die example for the subnet 192.168. 1 .
Can I change the default gateway on my router?
Simply, Yes. You will need to change the settings for the DHCP scope on the device that is giving out the IP addresses via DHCP. Usually when you are setting up the scope initially everyone tends to leave this default, however.
How does ARP work with a default gateway?
Instead, your computer will use the MAC address of the default gateway (which it will either have in it’s ARP table or have to send out an ARP request for as outlined above). When the default gateway (router) receives the frame it will see that the MAC address matches it’s own, so the frame must be for it.
How does ARP work to find the MAC address?
If the IP is local, your computer will look in it’s ARP table (a table where the responses to previous ARP requests are cached) to find the MAC address. If it’s not there, then your computer will broadcast an ARP request to find out the MAC address for the destination IP.
How does the ARP table work in case of..?
If local, then it uses ARP to resolve the MAC address, if remote it uses ARP to resolve the MAC address of the default gateway. Then it sends the packet. (“Uses ARP” = look in cache, if not found, make ARP request, wait for ARP response.)
What is the address of a Cisco router?
Your default gateway is a router (router a) which has an address of 200.0.1.1. That router is connected to the 200.0.1.0 network and the 200.0.2.0 (network 2) network (the interface connected to the 200.0.2.0 network will have an address of 200.0.2.1). The network 2 is also an ethernet network.
https://www.youtube.com/watch?v=sAKgfi0tZZM